Cover of the textbook Performer B1 Phases, Vol. 1

The key answer of exercise 10

The key to exercise solutions in chapter Welcome Unit - 5 for the textbook Performer B1 Phases, Vol. 1 with authors M. Spiazzi, M. Tavella, M. Layton, E. Fiordiliso from Zanichelli

Question

Complete the sentences with must or mustn't.

Answer

  1. must
  2. must
  3. mustn't
  4. mustn't
  5. must